Sure, Parallel Lives and Anointed Procession are cute, but what happens once that non-aura Enchantment is out of the yard and has already become two weird 3/3 Black Zombie creatures that are also somehow also Deadbridge Chants
Ulamog, the Ceaseless Hunger Ulamog, the Ceaseless Hunger is basically the Galactus of Magic
Surveil 2 on a tap ability is already way more useful than it sounds, ensuring you hit a steady stream of action or lands, whichever you need
They search for lands with basic land types, which means you always have access to the right colors when you need them, even in three- or five-color builds
In similar fashion, Emeritus of Woe is a Creature that enters prepared and gives you opportunity to prepare it again, giving you the chance to cast Demonic Tutor multiple times
There is an effect only if the trigger resolves